EP1712592A4 - BI-ORIENTE FILM - Google Patents

BI-ORIENTE FILM

Info

Publication number
EP1712592A4
EP1712592A4 EP05704399A EP05704399A EP1712592A4 EP 1712592 A4 EP1712592 A4 EP 1712592A4 EP 05704399 A EP05704399 A EP 05704399A EP 05704399 A EP05704399 A EP 05704399A EP 1712592 A4 EP1712592 A4 EP 1712592A4
Authority
EP
European Patent Office
Prior art keywords
film
biaxially oriented
oriented film
polyolefin
accounts
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP05704399A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1712592B1 (en
EP1712592A1 (en
Inventor
Tetsuo Yoshida
Katsuyuki Hashimoto
Ieyasu Kobayashi
Shinji Muro
Takeshi Ishida
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toyobo Film Solutions Ltd
Original Assignee
Teijin DuPont Films Japan Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2004021049A external-priority patent/JP4220910B2/ja
Priority claimed from JP2004021045A external-priority patent/JP4778683B2/ja
Priority claimed from JP2004146244A external-priority patent/JP4220933B2/ja
Application filed by Teijin DuPont Films Japan Ltd filed Critical Teijin DuPont Films Japan Ltd
Publication of EP1712592A1 publication Critical patent/EP1712592A1/en
Publication of EP1712592A4 publication Critical patent/EP1712592A4/en
Application granted granted Critical
Publication of EP1712592B1 publication Critical patent/EP1712592B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18—Manufacture of films or sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/302—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising aromatic vinyl (co)polymers, e.g. styrenic (co)polymers
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    • B32B27/306—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl acetate or vinyl alcohol (co)polymers
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    • B32B5/14—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by a layer differing constitutionally or physically in different parts, e.g. denser near its faces
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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
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    • C08L25/02—Homopolymers or copolymers of hydrocarbons
    • C08L25/04—Homopolymers or copolymers of styrene
    • C08L25/06—Polystyrene
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    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
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    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
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Abstract

　本発明の目的は、湿度変化に対する寸法安定性に優れた薄肉の二軸配向フィルム、およびそれを用いた磁気記録媒体およびフィルムコンデンサーを提供することにある。　本発明は、芳香族ポリエステル（ａ）と２３０～２８０℃の融点を有するポリオレフィン（ｂ）とからなる単層または積層の二軸配向フィルムであって、該ポリオレフィン（ｂ）の占める割合が、フィルムの全重量を基準として２～６０重量％の範囲にあり、フィルム厚みが１～１０μｍの範囲にある二軸配向フィルムである。
EP20050704399 2004-01-29 2005-01-28 Biaxially oriented film Active EP1712592B1 (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP2004021049A JP4220910B2 (ja) 2004-01-29 2004-01-29 コンデンサー用２軸延伸積層ポリエステルフィルムおよびそれからなるフィルムコンデンサー
JP2004021045A JP4778683B2 (ja) 2004-01-29 2004-01-29 ２軸延伸ポリエステルフィルムおよびそれからなるフィルムコンデンサー
JP2004146245 2004-05-17
JP2004146247 2004-05-17
JP2004146244A JP4220933B2 (ja) 2004-05-17 2004-05-17 二軸配向積層フィルムおよび磁気記録媒体
PCT/JP2005/001639 WO2005073318A1 (ja) 2004-01-29 2005-01-28 二軸配向フィルム

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US20070281186A1 (en) 2007-12-06
WO2005073318A1 (ja) 2005-08-11
KR101153758B1 (ko) 2012-06-13
TW200538507A (en) 2005-12-01
US8367199B2 (en) 2013-02-05
EP1712592B1 (en) 2009-10-07
TWI354003B (ja) 2011-12-11
DE602005017008D1 (de) 2009-11-19
US20120040208A1 (en) 2012-02-16
US8067105B2 (en) 2011-11-29
KR20070001155A (ko) 2007-01-03
EP1712592A1 (en) 2006-10-18

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